US PATENT SUBCLASS 71 / 900
FOAMS
Current as of: June, 1999
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DEFINITION
Classification: 71/900
FOAMS:
Art collection involving the material in the form of a foamlike matter.
SEE OR SEARCH CLASS
516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,
10+, for discontinuous gas or vapor phase in continuous liquid phase or agents for such systems or making or stabilizing such systems or agents, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.
